From f19f251523f990a8a24266112a256c57eee16b50 Mon Sep 17 00:00:00 2001
From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Tue, 17 Nov 2009 07:19:51 +0000
Subject: [PATCH] Clear the dest set.

llvm-svn: 89060
---
 clang/lib/Analysis/GRExprEngine.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/Analysis/GRExprEngine.cpp b/clang/lib/Analysis/GRExprEngine.cpp
index eb7e2778a9c8..0b7afe736eea 100644
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@@ -333,6 +333,7 @@ void GRExprEngine::ProcessStmt(Stmt* S, GRStmtNodeBuilder& builder) {
         ExplodedNodeSet *DstSet = (I+1 == E) ? &Tmp
                                               : (SrcSet == &Tmp2) ? &Tmp3 
                                                                   : &Tmp2;
+        DstSet->clear();
         void *tag = I->first;
         Checker *checker = I->second;
         for (ExplodedNodeSet::iterator NI = SrcSet->begin(), NE = SrcSet->end();
-- 
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